WebReferenceCollection.Contains(WebReference) Methode
Definitie
Belangrijk
Bepaalde informatie heeft betrekking op een voorlopige productversie die aanzienlijk kan worden gewijzigd voordat deze wordt uitgebracht. Microsoft biedt geen enkele expliciete of impliciete garanties met betrekking tot de informatie die hier wordt verstrekt.
Bepaalt of de verzameling een bepaald WebReference exemplaar bevat.
public:
bool Contains(System::Web::Services::Description::WebReference ^ webReference);
public bool Contains(System.Web.Services.Description.WebReference webReference);
member this.Contains : System.Web.Services.Description.WebReference -> bool
Public Function Contains (webReference As WebReference) As Boolean
Parameters
- webReference
- WebReference
De webreferentie waarnaar moet worden gezocht.
Retouren
true als de verzamelingen het opgegeven webreferentieexemplaren bevatten; anders, false.
Voorbeelden
In het volgende codevoorbeeld ziet u hoe u de Contains methode gebruikt.
using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Web.Services;
using System.Web.Services.Description;
using System.Web.Services.Discovery;
using System.Xml;
using System.Xml.Serialization;
public class Test
{
public static void Main ()
{
// Read in a WSDL service description.
string url = "http://www.contoso.com/Example/WebService.asmx?WSDL";
XmlTextReader reader = new XmlTextReader(url);
ServiceDescription wsdl = ServiceDescription.Read(reader);
// Create a WSDL collection.
DiscoveryClientDocumentCollection wsdlCollection =
new DiscoveryClientDocumentCollection();
wsdlCollection.Add(url, wsdl);
// Define the parameters needed to create web references.
CodeNamespace proxyNamespace = new CodeNamespace("ExampleNamespace");
string baseUrl = "http://www.contoso.com";
string protocolName = "Soap12";
// Create some web references.
WebReference reference1 = new WebReference(
wsdlCollection, proxyNamespace, protocolName,
"UrlKey1", baseUrl);
WebReference reference2 = new WebReference(
wsdlCollection, proxyNamespace, protocolName,
"UrlKey2", baseUrl);
WebReference reference3 = new WebReference(
wsdlCollection, proxyNamespace, protocolName,
"UrlKey3", baseUrl);
// Create a web reference collection.
WebReferenceCollection references = new WebReferenceCollection();
references.Add(reference1);
references.Add(reference2);
// Confirm that the references were inserted.
Console.WriteLine("The collection contains {0} references.",
references.Count);
// Insert another reference into the collection.
references.Insert(2, reference3);
// Print the index of the inserted reference.
int index = references.IndexOf(reference3);
Console.WriteLine("The index of reference3 is {0}.", index);
// Remove the inserted reference from the collection.
references.Remove(reference3);
// Determine if the collection contains reference3.
if (references.Contains(reference3))
{
Console.WriteLine("The collection contains reference3.");
}
else
{
Console.WriteLine("The collection does not contain reference3.");
}
// Print the URL key of the first reference in the collection.
Console.WriteLine(
"The URL key of the first reference in the collection is {0}.",
references[0].AppSettingUrlKey);
// Copy the collection to an array leaving the first array slot empty.
WebReference[] referenceArray = new WebReference[3];
references.CopyTo(referenceArray, 1);
Console.WriteLine(
"The URL key of the first reference in the array is {0}.",
referenceArray[1].AppSettingUrlKey);
}
}